Threemile Harbor, NY

Unincorporated community in Suffolk County, New York

Threemile Harbor is a small unincorporated community in Suffolk County, New York. It is 1.5 miles NE of Springs, the nearest town. Its ZIP code is 11937.

Threemile Harbor at a glance

State
New York
County
Suffolk County
ZIP code
11937
Nearest town
Springs (1.5 mi)
Time zone
America/New York
Coordinates
41.0158, -72.1800

Weather in Threemile Harbor now

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Threemile Harbor weather by the hour

Threemile Harbor weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Threemile Harbor.

This week in Threemile Harbor

Sunrise, sunset and moon in Threemile Harbor

What is the weather usually like in Threemile Harbor?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

18°35°52°69°86°38°23°Jan40°24°Feb46°30°Mar55°38°Apr65°47°May74°57°Jun81°64°Jul80°62°Aug73°56°Sep63°45°Oct53°36°Nov44°28°Dec

Average precipitation (inches)

4.1"Jan3.6"Feb4.9"Mar4.3"Apr3.6"May3.9"Jun3.2"Jul3.9"Aug4.8"Sep4.7"Oct3.8"Nov5.0"Dec

Best time to visit Threemile Harbor: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BRIDGEHAMPTON, NY US (USC00300889), adjusted for the elevation of Threemile Harbor.

Threemile Harbor weather month by month

January
38° 23°F
4.1 in of rain · 7 wet days❄ 7.2 in of snow
February
40° 24°F
3.6 in of rain · 7 wet days❄ 8.6 in of snow
March
46° 30°F
4.9 in of rain · 7 wet days❄ 6.0 in of snow
April
55° 38°F
4.3 in of rain · 8 wet days❄ 0.8 in of snow
May
65° 47°F
3.6 in of rain · 7 wet days
June
74° 57°F
3.9 in of rain · 6 wet days
July
81° 64°F
3.2 in of rain · 5 wet days
August
80° 62°F
3.9 in of rain · 5 wet days
September
73° 56°F
4.8 in of rain · 6 wet days
October
63° 45°F
4.7 in of rain · 6 wet days
November
53° 36°F
3.8 in of rain · 6 wet days❄ 0.1 in of snow
December
44° 28°F
5.0 in of rain · 8 wet days❄ 4.1 in of snow

Sunrise and sunset in Threemile Harbor through the year

MonthSunriseSunsetDaylight
January7:09 AM4:46 PM9 h 36 min
February6:41 AM5:24 PM10 h 43 min
March6:58 AM6:56 PM11 h 58 min
April6:07 AM7:29 PM13 h 22 min
May5:28 AM8:01 PM14 h 32 min
June5:14 AM8:24 PM15 h 9 min
July5:28 AM8:21 PM14 h 53 min
August5:57 AM7:48 PM13 h 51 min
September6:28 AM6:59 PM12 h 31 min
October6:59 AM6:09 PM11 h 10 min
November6:35 AM4:31 PM9 h 56 min
December7:05 AM4:22 PM9 h 17 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Threemile Harbor?

Threemile Harbor has a hot-summer humid continental climate. The warmest month is July, with an average high of 81°F (27°C), and the coldest is January, with average lows of 23°F (-5°C).

It gets about 49.8 inches (1,264 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 27 inches fall in an average year.

The best time to visit Threemile Harbor is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Threemile Harbor

The closest live webcam is Old Saybrook › South-west: Great Hammock Beach, 21.2 miles NW of Threemile Harbor.

Old Saybrook › South-west: Great Hammock BeachOld Saybrook · 21.2 mi NWOn Windy
East LymeEast Lyme · 21.6 mi NOn Windy
Old SaybrookOld Saybrook · 22.5 mi NWOn Windy
Old SaybrookOld Saybrook · 22.5 mi NWOn Windy
Old LymeOld Lyme · 22.6 mi NOn Windy
Old LymeOld Lyme · 22.7 mi NOn Windy
Old SaybrookOld Saybrook · 22.8 mi NWOn Windy
East LymeEast Lyme · 23.9 mi NOn Windy
New LondonNew London · 24.4 mi NOn Windy

Webcams: Windy.com. Distances in a straight line from Threemile Harbor.

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Map of Threemile Harbor, NY

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Threemile Harbor Street View

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Towns near Threemile Harbor

Other communities near Threemile Harbor

Questions about Threemile Harbor

Where is Threemile Harbor, NY?

Threemile Harbor is an unincorporated community in Suffolk County, New York, 1.5 miles NE of Springs.

What county is Threemile Harbor in?

Threemile Harbor is in Suffolk County, New York.

What is the ZIP code of Threemile Harbor, NY?

The ZIP code for Threemile Harbor is 11937.

What is the nearest town to Threemile Harbor?

Springs, 1.5 miles away.

Are there webcams near Threemile Harbor?

Yes. The closest is Old Saybrook › South-west: Great Hammock Beach, 21.2 miles away.

What is the hottest month in Threemile Harbor?

July, with an average high of 81°F (27°C).

What is the coldest month in Threemile Harbor?

January, with an average low of 23°F (-5°C).

How much does it rain in Threemile Harbor?

About 49.8 inches (1,264 mm) a year; the wettest month is December.

Does it snow in Threemile Harbor?

Yes, about 27 inches of snow fall in an average year.

When is the best time to visit Threemile Harbor?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Threemile Harbor have?

Hot-summer humid continental (Köppen Dfa).

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